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Curr Eye Res. 1993 Jan;12(1):23-7.

Fractal analysis of the normal human retinal fluorescein angiogram.

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1
Academic Unit of Ophthalmology, University of Birmingham, Birmingham and Midland Eye Hospital, UK.

Abstract

The fractal dimension of the retinal vasculature and isolated venous and arterial trees down to a caliber of 40 microns was estimated in 23 routine fluorescein angiograms of normal retinas. Fractal dimension was determined with a method based on the box counting theorem. This method is less susceptible to the radial architecture of the retinal vascular tree than those previously reported (mass-radius relation and density-density correlation function). Two scale ranges with different fractal dimension were consistently present. The estimated fractal dimensions showed no significant difference between isolated arterial and venous trees which is not supported by previous reports. This method was designed for simple application in a clinical setting.

PMID:
8436007
[Indexed for MEDLINE]
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